Education: Registered Apprenticeship certificate. or equivalent experience. Work site environment: Hot. Cold/refrigerated. Odours. Outdoors. Work setting: On-site customer service. Tasks: Install and overhaul heating systems. Install refrigeration systems. Install ventilation, air handling and air conditioning systems. Maintain and repair equipment in refrigerated trucks. Measure and lay out reference points for installation. Read blueprints or other instructions to determine work requirements. Troubleshoot ventilation, air handling, refrigeration and air conditioning systems. Assemble and install refrigeration or air conditioning components. Coach and instruct apprentices. Provide customer service. Start up system and test for leaks using testing devices. Perform maintenance such as, recharging system with refrigerant, checking and testing regulators or calibrating system. Screening questions: Are you available for shift or on-call work?. Do you have experience working in this field?. Do you have the required certifications listed in the job posting?. Employment terms options: Evening. Experience: 2 years to less than 3 years. Employment terms options: Morning. On call. Day. Weekend. Support for youths: Participates in a government or community program or initiative that supports youth employment. Offers on-the-job training tailored to youth. Offers mentorship, coaching and/or networking opportunities for youth. Provides awareness training to employees to create a welcoming work environment for youth.